RING COMPRESSIBLE PTFE FLANGE GASKET FOR 1″ PIPE-1/16″T – CLASS 300 RING GASKETS (RAISED GASKETS) ARE USED ON FLANGES WITH A RAISED SURFACE AND DO NOT REQUIRE MECHANICAL MOUNTING. COMPRESSIBLE PTFE (EPTFE) DISPLAYS HIGHER TENACITIES AT AMBIENT AND ELEVATED TEMPERATURES, AND HAS THE ABILITY TO MANIPULATE AND VARY PROPERTIES SUCH AS DENSITY, TEXTURE, MODULUS AND DIAMETER.